Optimising mixed-portfolio hybrid Renewable systems with no or constrained grid connectivity

Research output: Contribution to conferencePaper

Abstract

We present a method to optimise a hybrid renewable
energy system design under various grid constraints, from entirely
off-grid to strongly interconnected. The optimisation procedure is
a simplified downward gradient method, and the variable used as
the objective function is the equivalent annual cost of the system
installation and operation.

The results show how a good interconnection provides the
opportunity to use renewable energy technology as an income
stream without a need for energy storage. A balance of energy
storage and local backup generation emerges as the optimum if the
grid is severely constrained or without grid connection. It is
always a balance of storage and backup, as the storage is most costeffective
to balance supply and demand over short time scales of
less than a week while back-up generation is better able to meet
longer periods of insufficient renewable generation. Another key
results is that a combination of renewable technologies, PV and
wind, is always better here than one technology alone.
Original languageEnglish
Number of pages6
Publication statusPublished - Mar 2018
Event16th International Conference on Renewable Energies and Power Quality - Salamanca, Spain
Duration: 21 Mar 201823 Mar 2018
Conference number: 16
http://www.icrepq.com/

Conference

Conference16th International Conference on Renewable Energies and Power Quality
Abbreviated titleICREPQ'18
CountrySpain
CitySalamanca
Period21/03/1823/03/18
Internet address

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  • Cite this

    Fruh, W-G. (2018). Optimising mixed-portfolio hybrid Renewable systems with no or constrained grid connectivity. Paper presented at 16th International Conference on Renewable Energies and Power Quality, Salamanca, Spain. http://www.icrepq.com/icrepq18/350-18-fruh.pdf